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Less or different e...
Less or different environmental impact?
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- Nordelöf, Anders, 1975 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Tillman, Anne-Marie, 1958 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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Messagie, Maarten (author)
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- Van Mierlo, Joeri, 1969 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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(creator_code:org_t)
- ISBN 9789198097313
- 2013
- 2013
- English.
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In: Systems Perspectives on Electromobility 2013. - 9789198097313 ; , s. 60-75
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Abstract
Subject headings
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- Electric and hybrid drivetrains are currently regarded as a promising technology forvehicle propulsion. They can reduce greenhouse and other exhaust gas emissionsfrom road transport. Electric drivetrains are more efficient than conventional internalcombustion engines fuelled by petrol or diesel (Chapter 5), and fully electrifiedvehicles does not give any tailpipe emissions. In addition, electric drivetrains canalso assist in decoupling the transport sector from its heavy reliance on fossilfuels. On the other hand, electric vehicles will require that more electricity isproduced and this can be done from several different energy sources with diverseenvironmental impacts. Furthermore, electric drivetrains require new advancedcomponents (Chapter 3) that result in additional, or at least different, environmentalimpacts compared to conventional vehicles.The trade-off between the benefits when operating of the vehicle and possiblenegative impacts from the production and from energy supply can be analysedusing life cycle assessment (LCA). However, LCA studies come in many shapesand diverging arguments on the utility of technology are based on them. Someadvocate the technology (using for example the well-to-wheels approach to guidegovernment promotion policies on different types of drivetrains and alternative fuel options)1 and others claim that the prospective for electric cars to reduce theenvironmental impacts of mobility is “substantially overrated”2 or that there will be“significant increases in human toxicity“.3This chapter provides an overview of the life cycle impacts of electric vehicles,with general conclusions and examples of results. We review existing researchand sort studies found in literature into categories by asking what we can learnfrom different LCA approaches. More specifically, which answers do we get fromwell-to-wheels (WTW) studies in comparison to complete LCA studies, and whatdifference does it make if a study includes a narrow or broad set of environmentalimpacts. We conclude by summarising these learnings and discuss implicationsfor a set of stakeholders identified in the area of vehicle electrification, such aspolicy makers and various branches of industry.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Samhällsbyggnadsteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Civil Engineering (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Naturresursteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Environmental Engineering (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Naturresursteknik -- Annan naturresursteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Environmental Engineering -- Other Environmental Engineering (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Naturresursteknik -- Energisystem (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Environmental Engineering -- Energy Systems (hsv//eng)
Keyword
- life cycle assessment
- environmental impact
- electromobility
- electric vehicles
Publication and Content Type
- kap (subject category)
- vet (subject category)
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